additional source Vyshkvartzeva, N.V. 2005. Three bathypelagic scolecitrichids new to the North Pacific, with comments on diagnostic features of Scolecitrichidae and Tharybidae and on the positions of Heteramalla, Rythabis and Parkius (Copepoda: Calanoida). Zoosystematica Rossica, Zoological Institute, St. Petersburg 13(2):157-180 (2004).page(s): 176 [details]